precipit相关论文
T23 steel (2.25Cr-1Mo-1.6W-0.24V-0.05Nb,in wt.％) has been widely used as water walls in ultra-supercritical (USC)power pl......
Controlled Synthesis of Polycrystalline Nickel Oxalate Nanof ibers by the Mild Thermal Precipitation
Via a mild thermal precipitation and aging process, polycrystalline hydrated nickel oxalate nanofibers were synthesized ......
Synthesis of Glutathione Imprinted Polymer Particles via Controlled Living Radical Precipitation Pol
A general protocol was described for fabricating uniform molecularly imprinted polymer(MIP) particles via controlled liv......
Effect of Nb on Microstructure Evolution in Cold Rolled Dual-Phase Steels:Interaction of Recovery,Re
The effects of Nb addition,individually and in combination with Ti,were evaluated over a range of coiling temperatures.C......
On the Microstructural Strengthening and Toughening of Heat-Affected Zone in a Low-Carbon High-Stren
In this article,the influence of simulated thermal cycles for the heat-affected zone(HAZ)on the microstructural evolutio......
A self-organizing model was developed for simulating rill erosion process on slopes with particular attention to the rol......
A crude polysaccharide was extracted from Physalis alkekengi L. fruit. HPLC was used for the component analysis of the p......
The effect of retrogression and re-aging(RRA) heat treatment on the microstructure and mechanical properties of a low fr......
Investigation of dynamic processing on aluminum floc aggregation:Cyclic shearing recovery and effect
The floc formation and re-aggregation potential and the effects of sulfate on coagulation by AlCl3, polyaluminum chlorid......
Ultrafine austenite grains (UFAGs) with size of 1–5 μm were prepared through repet- itive treatment, four times, of ra......
The precipitation of epsilon copper at 1023 K ageing in ferrite antibacterial stainless steel was investigated by a comb......
Laser Direct Metal Deposition Technology and Microstructure and Composition Segregation of Inconel 7
Multilayer of laser direct metal deposition(DMD)was prepared by depositing a gas atomized pre-alloyed powder with a comp......
Optical microscopy (OM) and transmission electron microscopy (TEM) were used to investigate the effect of tempering temp......
Microstructural Characterization and Phase Separation Sequences During Solidification of Ni_3Al-Base
As-cast Microstructure of A Designed Polycrystalline Ni_3 Al-based Superalloy Is Characterized Using Optical Microscope,......
Material flow behavior and microstructural evolution during refill friction stir spot welding of alc
In this study,we used the stop-action technique to experimentally investigate the material flow and microstructural evol......
,The two annual northward jumps of the West Pacific Subtropical High and their relationship with sum
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Metallurgical Interpretation on Grain Refinement and Synergistic Effect of Mn and Ti in Ti-microallo
The grain refinement mechanism and synergistic effect of Mn and Ti involved in the Ti-microalloying technology of thin s......
Mechanical properties of SMAW (shielded metal arc welding) weld metal (yield strength higher than 900 MPa) with systemat......
提出了一种处理铜砷滤饼的简易方法，首先在弱酸条件下直接浸出铜砷滤饼中的砷，将含铜浸出渣返回冶炼流程；使用生物氧化产生的硫酸铁溶......
为了探究植被NDVI变化特征及其对温度和降水变化的响应,以贵州省为例,基于2000-2018年MODIS NDVI数据和温度、降水数据,采用距平分......
本文利用原子分辨的高角环形暗场扫描(HADDF-STEM)成像技术并结合第一性原理计算的方法研究了Mg97Gd2Y1(at.%)合金200℃时效初期结......
利用意大利国际理论物理中心（ICTP）最新发布的区域气候模式RegCM3检验我国包括青藏高原地区夏季降水的模拟能力。初始值及边界值取自......
采用力学性能测量和显微结构表征和工艺调控等手段，系统研究了预变形加时效的组合工艺对7N01铝合金力学性能和显微结构的影响．研究表......
利用乌鲁木齐市1951-2005年逐月平均温度和降水资料，分析了乌鲁木齐市55a来温度和降水的基本气候特征、年代际变化和变化趋势等。结......
以硝酸铝和碳酸铵为原料,利用超声波与沉淀相结合的方法,制得了平均粒径为(12±2)nm的氧化铝超细粉末.反应生成的沉淀经XRD、T......
对Al-Mn-Si-X合金进行不同温度和不同时间的退火，采用金相显微镜（OM）、扫描电子显微（SEM）和电导率仪对不同状态的合金组织进行观察、能......
本文利用区域平均和相关方法分析了山西省沙尘日数发生频率及降水量与ENSO事件、大气-海洋环流因子SOI指数的关系.所用资料是山西1......
介绍泡沫柱洗涤技术在制酸烟气净化、有色冶炼炉窑烟气除尘脱硫及硫酸尾气脱硫中的实际应用情况.会泽铅锌矿18m锌沸腾焙烧烟气制酸......
制备了Cu-17.0Zn, Cu-17.0Zn-0.15Cr, Cu-17.0Zn-0.35Cr, Cu-17.0Zn-0.50Cr 4种合金(质量分数, %), 通过合金硬度、电阻率测定和显......
利用透射电镜、显微硬度法和电导率法,研究了Cu-Ni-Si二次时效过程中显微组织、硬度及导电率变化情况.结果表明:二次时效可使合金......
根据超高强铝合金淬火、时效组织透射电镜观察结果，以及合金断裂行为与断口形貌分析，提出了一种Al—Zn—Mg—Cu合金产生延性断裂的物......
采用扫描电子显微镜、能谱分析仪、x射线衍射仪和动态机械热分析仪等研究zn含量对Mg-10Gd-6Y-xZn-0．6Zr（x=0．6，1．6，2．6，3．6，质量分数，％1合金显......
为获得β-内酰胺类抗生素多残留检测样品净化和富集预处理所需选择性固相萃取填料,本文对采取沉淀聚合方法制备苯唑西林印迹微球进......
分析了贺兰山地区油松树轮的稳定碳氧同位素组成对环境因素的响应关系 , 发现树轮碳氧同位素组成均与当年 5～ 9月总降水量具有较好......
评估人工影响天气的效果通常需通过一定的方法近似求出未作业时的降水量,传统的人工影响天气效果的统计检验方法以线性回归为主,这......
利用NCEP/NCAR再分析环流资料、CMAP降水量和NOAA海温资料研究了热带印度洋夏季水汽输送的时空变化特征,并考察其对南亚季风区夏季......
The rainfall processes during the formation of tropical cyclone(TC)Durian(2001)were investigated quantitatively using th......
A Discussion on Evolution of Microstructures and Influence Factors during Continuous Rolling of Comp
The evolution of microsturctures and influence factors of ultrathin hot strips of low carbon steel produced by compact s......
The recrystallization texture evolution in heavily cold-rolled (93%) FeCo-2V alloy with annealing temperature and time w......
本文建立了沉淀浮选铜光度法测定头孢哌酮钠的方法。研究表明头孢哌酮钠降解产物中的巯基使Cu（II）还原生成的Cu（I）形成白色硫化物沉淀,......
利用分光光度法和容量法分别考察 芳烃石油磺酸盐与Ｃａ＾２＋、Ｍｇ＾２＋的沉积规律有在地层砂上的吸附规律。实验表明：当固定Ｃａ＾２＋、Ｍｇ＾２＋混合液浓度改变ＨＡＰＳ浓度时......
本文叙述了采用联碱生产过程中的外排废液与水玻璃反应，制取工业白炭黑的工艺条件及其优化，产品质量符合ＧＢ１０５１７－８９橡胶配合剂标准。此项研究对......
考察了沉淀温度对二氧化碳加氢合成二甲醚催化剂CuO-ZnO-Al2O3／HZSM-5的影响，研究结果表明，沉淀温度为343K时，所制备的催化剂前驱体的......
利用长江流域56个站点1957—2009年夏季逐日降水资料、NCEP/NCAR再分析资料以及Hadley海表温度资料,分析了长江流域夏季不同强度降......
为了提高淀粉浆料的使用性能，探讨了经复合变性的DM-896淀粉浆料的凝沉性、浆膜性能及其对纤维的黏附性能。实验表明，淀粉复合变性能......
黄土高原水资源短缺，严重制约其社会经济发展；全球变暖背景下，需要对该区水资源状况进行详细的影响评估。区域气候模式可提供气候变化......
无碳复写纸用涂布颜料主要有高岭土、煅烧高岭土和轻质碳酸钙等.该文主要研究了轻质碳酸钙、煅烧高岭土以及煅烧高岭土部分取代轻......
采用双极膜电去离子技术（EDI-BP）处理低浓度模拟含镍废水，研究了Ni（OH）2沉淀产生的原因及消除措施。结果表明：沿膜器高度的电流密度分布......
